determined is an adjective used to describe someone with a strong resolve or commitment to achieving a goal. It implies a certain amount of will, grit, and perseverance, and is often used in the phrase 'determined to' followed by an action.
determined needs to be used in something that can logically be resolved or achieved. It can also modify a noun to show the person or thing's attitude towards something.
1. She was determined to get the job done by the deadline.
2. He's a determined individual who will do whatever it takes to get what he wants.
3. The determined child kept trying even after falling off her bike.
be aware that when used in this context, determined is usually used in a positive light. It can be used to describe someone who is stubborn or headstrong, but more often than not, it is used to describe someone with admirable dedication and resolve.